Depiction of the present Isla Santa Cruz on Fyffe, Arrowsmith & Vandermaelen charts. Inset in upper left corner shows the same island on Arrowsmith charts drawn prior to 1817.

Note barely-visible “Jervis” and “Duncan” names and shapes superimposed on Porters Isle.

Fyffe, 1815

Arrowsmith, 1817

Vandermaelen, 1827